Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 5 2 4 3 5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Chlorine Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium chlorate Calcium chloro hypochlorite Calcium hypochlorite Calcium bi chloride Calcium chlorate Calcium chloro hypochlorite Calcium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
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